PE-21_electromagnetic-pulse-protection

DevOps & Security

Employ [organization-defined] against electromagnetic pulse damage for [organization-defined].

QUICK START

How to use this skill

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Prompt to paste

I want to install this Agent Skill for this project in Codex.

Source SKILL.md: https://github.com/CyberStrikeus/CyberStrike/blob/HEAD/.cyberstrike/skill/NIST/SP800-53_rev5/PE_physical-and-environmental-protection/PE-21_electromagnetic-pulse-protection/SKILL.md

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First, summarize what it does, its dependencies, license status if identifiable, and any risks. Show the exact files you propose to add under .agents/skills/pe-21-electromagnetic-pulse-protection/. Do not write files or run scripts until I approve.

After I approve, install the complete skill folder, including required referenced files, into that project location. Verify it is discoverable, then tell me its actual invocation name and how to use it. Do not claim it is installed until you have verified it.

Copying this prompt does not install or run the skill. Review third-party files before use. Codex skill guide

PE-21 Electromagnetic Pulse Protection

High-Level Description

Family: Physical and Environmental Protection (PE) Framework: NIST SP 800-53 Rev 5

An electromagnetic pulse (EMP) is a short burst of electromagnetic energy that is spread over a range of frequencies. Such energy bursts may be natural or man-made. EMP interference may be disruptive or damaging to electronic equipment. Protective measures used to mitigate EMP risk include shielding, surge suppressors, ferro-resonant transformers, and earth grounding. EMP protection may be especially significant for systems and applications that are part of the U.S. critical infrastructure.

What to Check

Verify PE-21 Electromagnetic Pulse Protection is documented in SSP
Confirm control is operating effectively
Review evidence of continuous monitoring for PE-21

How to Test

Step 1: Review Documentation

Examine the System Security Plan (SSP) and related artifacts for PE-21 implementation details. Verify the organization has documented how this control is satisfied.

Step 2: Validate Implementation

# For cloud environments, use cloud-audit-mcp tools
# For on-premises, review system configurations directly

# Example: Check if account management policies exist
grep -r "account.management\|access.control" /etc/security/ 2>/dev/null

Step 3: Test Operating Effectiveness

Verify the control is actively functioning, not just documented. Check logs, configurations, and operational evidence.

Tools

Tool	Purpose	Usage
Manual Review	Documentation and interview-based	N/A

Remediation Guide

Control Statement

Employ [organization-defined] against electromagnetic pulse damage for [organization-defined].

Implementation Guidance

Risk Assessment

Finding	Severity	Impact
PE-21 Electromagnetic Pulse Protection not implemented	Medium	Physical and Environmental Protection
PE-21 partially implemented	Low	Incomplete Physical and Environmental Protection

CWE Categories

CWE ID	Title
N/A	No direct CWE mapping

References

Checklist

Control documented in SSP
Implementation evidence collected
Operating effectiveness validated
Continuous monitoring in place
Related controls (PE-18, PE-19) reviewed